The Book of Prayers (Kitab Al-Salat)
Muslim :: Book 4 : Hadith 1192
'ta' b. Yasar reported that he had asked Zaid b. Thabit about recital along with the Imam, to which he said: There should be no recital along with the Imam in anything, and alleged that he recited:" By the star when it sets" (Surah Najm) before the Messenger of Allah (may peace be upon him) and he did not prostrate himself.